Poarion

Rostraria
Rostraria cristata
Scientific classification
Kingdom:	Plantae
(unranked):	Angiosperms
(unranked):	Monocots
(unranked):	Commelinids
Order:	Poales
Family:	Poaceae
Genus:	Rostraria Trin. 1820
Type species
Rostraria pubescens (syn of R. cristata) Trin.
Synonyms
Aegialina Schult. Lophochloa Reichb. Aegialitis Trin. 1820, illegitimate homonym not R.Br. 1810 (Plumbaginaceae) Aegialina Schult. Poarion Rchb. Lophochloa Rchb. Wilhelmsia K.Koch 1848, illegitimate homonym not Rchb. 1828 (Caryophyllaceae) Ktenosachne Steud. Parodiochloa A.M.Molina 1986, illegitimate homonym not C.E. Hubb. 1981 (Poaceae) Raimundochloa A.M.Molina Trisetum unranked Rostraria (Trin.) Trin.

Rostraria is a genus of plants in the grass family, native primarily to Eurasia and North Africa with one species native to South America.Hairgrass is a common name.

These grasses are sometimes included in genus Koeleria.

see Avellinia Trisetaria

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